además, since estrogen is the main culprit for water retention , bloat and fat gain the anti-estrogenic effect from . Epi means it is a prohormone which offers a high quality look to the physique . Thus Epi is a very favourable prohormone to use during cutting phases with a calorie restricted diet . sin embargo, Epistane is also noted to greatly increase the rate of protein synthesis and adds to strength gains which means it can equally be used to add lean muscle mass without the addition of unwanted fat and subcutaneous fluid retention . Epistane is an extremely versatile prohormone suitable for both bulking cycles and cutting Epistane is reserved for cutting cycles but it is strong enough to be used in bulking cycles .